Today Only 5/16″-120 Degree 6 Flute Chatterless Countersink HSS 1/4″ Round Shank DEWCHAT5/16-120

Industrial cutting tools for precision metalworking. Chatterless countersinks designed to produce consistent chamfers in production environments.

Specs

Dimensions: Cutting Diameter 5/16 inch; Included Angle 120 degrees; Flutes 6; Shank Diameter 1/4 inch; Shank Type Round

Material Grade: HSS

Features

Chatterless design: Reduces cutting vibration to improve edge quality and surface finish during countersinking in metalworking applications.

Material: HSS (High-Speed Steel) for wear resistance and heat tolerance in metal fabrication and machining environments.

Flute count: 6-flute geometry enhances chip evacuation and supports higher feed rates with steady cutting forces.

Cutting diameter: 5/16 inch; Included angle: 120 degrees; Shank: 1/4 inch Round for compatibility with standard tool holders

Use cases: Countersinking in sheet metal, automotive components, machinery housings, and fabrication jigs requiring flush seating of fasteners.